A preliminary study shows that newborns who were exposed to anti-depressants in the womb may show some symptoms of withdrawl. [Yes, "preliminary," "may," "some," nice ambiguity-spotting. Obviously, ask your doctor(s).]
It makes total sense that when pregnant women take drugs like Prozac, Zoloft, or Paxil, it has some impact on a foetus. What's not yet clear is if this possible impact is negative, lasting or likely enough to outweigh the downsides of NOT taking meds. Like, for example, intensified post-partum depression.
The study's published in The Lancet.